Php Math
In PHP, "math" refers to mathematical operations and functions that you can use to perform calculations.
Php pi() function
This constant represents the ratio of a circle's circumference to its diameter.
<?php
echo(pi());
?>
// output 3.1415926535898
Php min() and max() function
The min() and max() functions in PHP are used to find the minimum and maximum values from a list of arguments or an array.
<?php
echo(min(0, 10, 30, 20, -6, -250) . "<br>");
echo(max(0, 10, 30, 20, -6, -250));
?>
//output -250 10
Php abs() function
The abs() function in PHP is used to calculate the absolute (positive ) value of a number.
<?php
echo(abs(-4.9));
?>
// output 4.9
Php sqrt() function
The sqrt() function in PHP is used to calculate the square root of a given number.
<?php
echo(sqrt(16) . "<br>");
echo(sqrt(0) . "<br>");
echo(sqrt(36) . "<br>");
echo(sqrt(81));
?>
// output 4 0 6 9
Php round() function
The round() function in PHP is used to round a floating-point number to the nearest integer.
<?php
echo(round(0.58) . "<br>");
echo(round(-4.68) );
?>
//output 1 -4
